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Criterion
Paper illustration of an assumption matrix with prioritized test cards
Decision Making
Assumption Surfacing
Gap Analysis method illustration showing its working structure
Business Strategy
GAP Analysis
Purposedifferent
Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it.GAP Analysis compares the current state with a target picture and makes the distance manageable. It becomes useful when, ahead of new initiatives, it must become clear which capabilities, processes, or resources are missing.
Complexitydifferent
LowMedium
Timedifferent
45-90 min1-3 h
Participantssame
2-82-8
Formatsame
Workshop + asyncWorkshop + async
Outputdifferent
Assumption List, Critical Assumptions, Learning PlanGap Matrix, Action Plan, Risk Notes
Tagsno overlap
AssumptionsRiskDecisionDiscovery
StrategyAnalysisPlanning
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Often compared together

Methods with strong topical overlap with the current selection, not yet in the comparison.

Paper illustration of DIBB with its method-specific working model.
Product Strategy
DIBB
A hypothetical failure makes concrete risks, signals, and fitting mitigations visible.
Decision Making
Pre-Mortem
Paper illustration of a calm four-quadrant Assumption Map with hypothesis cards and emphasis on important assumptions with little evidence.
Product Discovery
Assumption Mapping
Paper illustration of Business Model Stress Test with its method-specific working model.
Business Strategy
Business Model Stress Test